Abstract: A system and process for generating, on-site, a sustained C6+C7 aromatic rich solvent stream for tar solvation within the olefin plant employing a two-fuel oil tower system receiving a hydrocarbon feed from a quench water separator drum, where the two-fuel oil tower system is configured to make a sufficient solvent stream containing C6+C7 aromatic rich hydrocarbons that is recycled and mixed with quench water going to the quench water separator drum to assist in removing tar molecules out of the quench water.

Abstract: An articulating surgical instrument includes a housing, a shaft extending distally from the housing, an end effector assembly, and an articulating component interconnecting the shaft and end effector assembly. The articulating component includes a proximal disk connected to the shaft, a distal disk connected to the end effector assembly, an intermediate disk, a first flexible interconnect connecting the proximal and intermediate disks, and a second flexible interconnect connecting the intermediate and distal disks. The first flexible interconnect defines a single plane of bending to enable articulation of the end effector assembly relative to the shaft within a first plane. The second flexible interconnect defines a single plane of bending substantially perpendicular to the single plane of bending of the first flexible interconnect to enable articulation of the end effector assembly relative to the shaft within a second plane substantially perpendicular to the first plane.

Abstract: A grill support is disclosed for supporting a barbecue grill in locations where a table is not available. The grill support may be attached to a ladder or to a balcony rail or similar support structure and includes a support platform supported in cantilevered manner spaced outwardly from the support structure. In addition an adjustment mechanism is provided whereby the support platform may be moved to a level position regardless of variations in orientation of the support structure.

Abstract: A mounting clip adapted to engage the top platform of a self standing or step ladder, such clip configured to be engaged by a specially shaped opening in the body parts of a tool tray or toolbox; a T section bar member resiliently fastenable to the top platform of a step ladder for engagement by transverse openings or tunnels in toolboxes or tool trays for fixing such boxes and trays removably to the top platform of such step ladder; a toolbox with configured openings or tunnels transversely formed through the side and any interior walls thereof for engagement with a T section mounting bar resiliently clipped to the top platform of a self standing or step ladder; a T section bar member that inserts into and positively engages, by spring action, the walls of a T shaped slot or tunnel in the bases of members, boxes and containers desired to be fixed atop a ladder.